Home / 627,369,836.55-940,855,102.02-207,112,959.24

Finding the Fourth Proportional to 627,369,836.55, 940,855,102.02 and 207,112,959.24

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Solution

The fourth proportional to 627,369,836.55, 940,855,102.02 and 207,112,959.24 is: 310,603,527.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,369,836.55 : 940,855,102.02 = 207,112,959.24 : x
  2. Step 2: Convert to fraction form
    627,369,836.55/940,855,102.02 = 207,112,959.24/x
  3. Step 3: Cross multiply
    627,369,836.55x = 940,855,102.02 × 207,112,959.24
  4. Step 4: Simplify right side
    627,369,836.55x = 194,863,284,395,414,304
  5. Step 5: Solve for x
    x = 194,863,284,395,414,304/627,369,836.55
  6. Step 6: Final answer
    x = 310,603,527.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.